WBCS.LIVE practice question

What is the approximate pH value of normal, healthy human blood?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 6.0
  2. 6.8
  3. 7.0
  4. 7.4

Correct answer and explanation

Correct answer: 7.4

Explanation: āœ… Correct Answer: D) 7.4 šŸ“š Explanation: The pH scale measures the acidity or alkalinity of a fluid. Normal human blood is strictly regulated to be slightly basic (alkaline), maintaining a very narrow pH range between 7.35 and 7.45. If the blood pH drops too low or rises too high, it can rapidly cause severe, life-threatening medical conditions.